> On Apr 18, 2020, at 6:32 PM, Randy Dunlap <[email protected]> wrote:
> 
> On 4/18/20 3:28 PM, Trond Myklebust wrote:
>> On Sat, 2020-04-18 at 14:45 -0400, Chuck Lever wrote:
>>>> On Apr 18, 2020, at 2:41 PM, Randy Dunlap <[email protected]>
>>>> wrote:
>>>> 
>>>> Fix gcc empty-body warning when -Wextra is used:
>>>> 
>>>> ../fs/nfsd/nfs4state.c:3898:3: warning: suggest braces around empty
>>>> body in an ‘else’ statement [-Wempty-body]
>>>> 
>>>> Signed-off-by: Randy Dunlap <[email protected]>
>>>> Cc: Linus Torvalds <[email protected]>
>>>> Cc: Andrew Morton <[email protected]>
>>>> Cc: "J. Bruce Fields" <[email protected]>
>>>> Cc: Chuck Lever <[email protected]>
>>>> Cc: [email protected]
>>> 
>>> I have a patch in my queue that addresses this particular warning,
>>> but your change works for me too.
>>> 
>>> Acked-by: Chuck Lever <[email protected]>
>>> 
>>> Unless Bruce objects.
>>> 
>>> 
>>>> ---
>>>> fs/nfsd/nfs4state.c |    3 ++-
>>>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>>> 
>>>> --- linux-next-20200417.orig/fs/nfsd/nfs4state.c
>>>> +++ linux-next-20200417/fs/nfsd/nfs4state.c
>>>> @@ -34,6 +34,7 @@
>>>> 
>>>> #include <linux/file.h>
>>>> #include <linux/fs.h>
>>>> +#include <linux/kernel.h>
>>>> #include <linux/slab.h>
>>>> #include <linux/namei.h>
>>>> #include <linux/swap.h>
>>>> @@ -3895,7 +3896,7 @@ nfsd4_setclientid(struct svc_rqst *rqstp
>>>>            copy_clid(new, conf);
>>>>            gen_confirm(new, nn);
>>>>    } else /* case 4 (new client) or cases 2, 3 (client reboot): */
>>>> -          ;
>>>> +          do_empty();
>> 
>> Urgh... This is just for documentation purposes anyway, so why not just
>> turn it all into a comment by moving the 'else' into the comment field?
>> 
>> i.e.
>>      } /* else case 4 (.... */
>> 
>>      new->cl_minorversion = 0;
>>>>    gen_callback(new, setclid, rqstp);
>>>>    add_to_unconfirmed(new);
> 
> Like I said earlier, since Chuck has a patch that addresses this,
> let's just go with that.

I'll post that patch for review as part of my NFSD for-5.8 patches.


--
Chuck Lever


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